Select tournament type
| 1/16-finals | Rennert J. V. | Hoedt M. | 0:2 (2:6, 1:6) | details | 18.02.2026 | ||
| 1/8-finals | Solar Donoso L. | Rennert J. V. | 2:0 (6:4, 6:1) | details | 20.11.2025 | ||
| 1/16-finals | Rennert J. V. | Alekseeva S. | 2:0 (7:5, 6:4) | details | 18.11.2025 | ||
| 1/16-finals | Horvit M. | Rennert J. V. | 2:0 (7:5, 6:1) | details | 28.10.2025 | ||
| Quarter-finals | Horvit M. | Rennert J. V. | 2:0 (6:1, 6:2) | details | 24.10.2025 | ||
| 1/8-finals | Rennert J. V. | Sziedat F. | 2:0 (6:2, 6:4) | details | 23.10.2025 | ||
| 1/16-finals | Rennert J. V. | Dernikovic R. | 2:1 (2:6, 7:5, 6:1) | details | 22.10.2025 | ||
| 1/8-finals | Silva J. | Rennert J. V. | 2:1 (6:3, 4:6, 6:3) | details | 04.09.2025 | ||
| 1/16-finals | Rennert J. V. | De Zeeuw J. | 2:1 (7:5, 0:6, 6:4) | details | 03.09.2025 | ||
| 1/8-finals | Soriano Santiago M. | Rennert J. V. | 2:1 (6:4, 4:6, 7:5) | details | 28.08.2025 | ||
| 1/16-finals | Bajraliu L. | Rennert J. V. | 0:2 (3:6, 2:6) | details | 26.08.2025 | ||
| 1/16-finals | Rennert J. V. | Fullana L. | 0:2 (62:7, 3:6) | details | 30.10.2024 | ||
| 1/8-finals | Van Emst S. | Rennert J. V. | 2:0 (6:2, 6:1) | details | 05.09.2024 | ||
| 1/16-finals | Boehner L. | Rennert J. V. | 0:1 RET. (4:6, 0:4) | details | 05.09.2024 | ||
| 1/16-finals | Rennert J. V. | Burillo Escorihuela I. | 0:2 (4:6, 4:6) | details | 28.08.2024 | ||
| 1/16-finals | Rennert J. V. | Middendorf J. | 0:2 (1:6, 4:6) | details | 28.05.2024 | ||
| 1/8-finals | Rennert J. V. | Hennemann C. W. | 0:2 (1:6, 4:6) | details | 22.02.2024 | ||
| 1/16-finals | Rennert J. V. | Genis Salas M. | 2:0 (6:2, 6:4) | details | 21.02.2024 | ||
| 1/16-finals | Rennert J. V. | Atay S. | 0:2 (2:6, 5:7) | details | 19.04.2023 | ||
| 1/16-finals | Rennert J. V. | Kotlikova I. M. | 0:2 (0:6, 4:6) | details | 16.08.2022 | ||
| 1/16-finals | Rennert J. V. | Yoruk I. | 1:2 (6:7, 7:6, 6:7) | details | 20.01.2022 | ||
| Gorgodze E. | Rennert J. V. | 2:0 (6:3, 6:2) | details | 14.08.2020 | |||
| Rennert J. V. | Pigossi L. | 0:2 (2:6, 2:6) | details | 13.08.2020 | |||
| Rennert J. V. | Klasen Ch. | 0:2 (66:7, 5:7) | details | 12.08.2020 | |||
| Rennert J. V. | Fetecau I. | 0:2 (5:7, 1:6) | details | 11.08.2020 | |||
| 1/8-finals | Groth G./Rennert J. V. | Fullana L./Primorac I. | 1:2 (6:2, 3:6, 3:10) | details | 24.02.2026 | ||
| 1/8-finals | Groth G./Rennert J. V. | Garcia-Patron Canals A./Solar Donoso L. | 0:2 (4:6, 3:6) | details | 10.02.2026 | ||
| Quarter-finals | Brockmann T. J./Preugschat P. | Groth G./Rennert J. V. | 2:0 (6:2, 6:1) | details | 27.08.2025 | ||
| 1/8-finals | Janssen C./Lazar A. | Groth G./Rennert J. V. | 1:2 (4:6, 7:5, 8:10) | details | 26.08.2025 | ||
| Quarter-finals | Gimbrere J./Robbe A. | Rennert J. V./Safi M. | 2:0 (6:3, 6:1) | details | 27.02.2025 | ||
| 1/8-finals | Nakath A./Simak L. | Rennert J. V./Safi M. | 0:2 (1:6, 0:6) | details | 25.02.2025 | ||
| Quarter-finals | Paukstyte P./Vogt M. | Rennert J. V./Sziedat F. | 2:0 (6:1, 7:5) | details | 31.10.2024 | ||
| 1/8-finals | Rennert J. V./Sziedat F. | Jin M./Tsetsou E. | 2:1 (2:6, 7:5, 10:3) | details | 29.10.2024 | ||
| 1/8-finals | Nuudi M./Pattinama Kerkhove L. | Heupgen I./Rennert J. V. | 2:0 (6:2, 6:2) | details | 28.05.2024 | ||
| 1/8-finals | Buchwald H./Rennert J. V. | Bartone K./Hageman M. | 0:2 (5:7, 3:6) | details | 27.03.2024 | ||
| Quarter-finals | Jaeger E./Rennert J. V. | Dittmann G. M./Sandberg V. | 1:2 (2:6, 7:5, 3:10) | details | 31.05.2023 | ||
| 1/8-finals | Schreiber S./Wagner S. | Jaeger E./Rennert J. V. | 1:2 (6:2, 4:6, 7:10) | details | 30.05.2023 | ||
| 1/8-finals | Amariei I. D./Sevcikova L. | Gettwart F./Rennert J. V. | 2:1 (4:6, 6:3, 10:8) | details | 12.04.2023 | ||
| 1/8-finals | Hering K./Rennert J. V. | Ersoz V./Turkmen D. | 1:2 (4:6, 6:4, 7:10) | details | 13.04.2022 | ||
| 1/8-finals | Akyurek D./Rennert J. V. | Amariei I. D./Yoruk I. | 0:2 (1:6, 0:6) | details | 14.01.2022 | ||